
<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>设备分类</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 搜索筛选 -->
    <el-form :inline="true" :model="formInline" class="device-search">
      <el-form-item label="">
        <el-button size="small" type="warning" @click="handleBatchDel">批量删除</el-button>
      </el-form-item>

      <el-form-item label="设备名称">
        <el-input size="small" clearable v-model="formInline.name" placeholder="输入设备名称"></el-input>
      </el-form-item>
      <el-form-item label="设备类型">
        <el-input size="small" clearable v-model="formInline.classify" placeholder="输入设备分类"></el-input>
      </el-form-item>
      <el-form-item>
        <el-button size="small" type="primary" icon="el-icon-search" @click="search">搜索</el-button>
        <el-button size="small" type="primary" icon="el-icon-plus" @click="handleAdd()">添加</el-button>
        <el-button size="small" type="primary" icon="el-icon-plus" @click="importvis=true">导入Excel</el-button>
        <el-button size="small" type="primary" icon="el-icon-plus" @click="exportExcel()">导出Excel</el-button>
      </el-form-item>
    </el-form>

    <!--    文件上传-->
    <el-dialog title="Excel导入功能" :visible.sync="importvis" width="30%">
      <el-upload
        class="upload-demo"
        action="http://localhost:8888/api/devicefl/importDeviceflFile"
        :on-success="upload">
        <el-button size="small" type="primary">点击导入Excel文件</el-button>
        <div slot="tip" class="el-upload__tip">只能上传xlsx文件，且不超过50MB
          <a href="http://localhost:8888/tem.xlsx">点击下载Excel模板</a> </div>
      </el-upload>
    </el-dialog>
    <!--列表

       @selection-change="handleSelectionChange"  表示只要我們点击选中当前行，就会回调 handleSelectionChange方法
                       最用作用：就是多选删除
       :data="listData"   绑定数组数据
        v-loading="loading" 表示table数据在加载时的状态
   -->
    <el-table size="small" @selection-change="handleSelectionChange" :data="listData" highlight-current-row
              v-loading="loading" border element-loading-text="拼命加载中" style="width: 100%;">
      <el-table-column align="center" type="selection" width="60">
      </el-table-column>
      <el-table-column sortable prop="id" label="设备序号">
      </el-table-column>
      <el-table-column sortable prop="classify" label="设备分类">
      </el-table-column>
      <el-table-column sortable prop="name" label="设备名称">
      </el-table-column>
      <el-table-column sortable prop="nature" label="设备性能">
      </el-table-column>
      <el-table-column sortable prop="state" label="设备状态">
      </el-table-column>

      <el-table-column align="center" label="操作">
        <template slot-scope="scope">
          <el-button size="mini" @click="handleEdit(scope.$index, scope.row)">修改</el-button>
          <el-button size="mini" type="danger" @click="deletedevicefl(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 分页组件
     @callFather="callFather"  每当点击组件时 分页发起请求
    -->
    <Pagination v-bind:child-msg="pageparm" v-model="pageparm" @callFather="callFather"></Pagination>


    <!-- 添加/编辑界面
      :model="editForm"  绑定表单数据
       :rules="rules"    绑定数据校验规则
    -->
    <el-dialog :title="title" :visible.sync="editFormVisible" width="30%" @click="closeDialog">
      <el-form label-width="120px" :model="editForm" :rules="rules" ref="editForm">
        <el-form-item label="设备类型" prop="classify">
          <el-input size="small" v-model="editForm.classify" auto-complete="off" placeholder="请输入设备类型"></el-input>
        </el-form-item>
        <el-form-item label="设备名称" prop="name">
          <el-input size="small" v-model="editForm.name" auto-complete="off" placeholder="请输入设备名称"></el-input>
        </el-form-item>
        <el-form-item label="设备性能" prop="nature">
          <el-input size="small" v-model="editForm.nature" auto-complete="off" placeholder="请输入设备性能"></el-input>
        </el-form-item>
        <el-form-item label="设备状态" prop="state">
          <el-input size="small" v-model="editForm.state" auto-complete="off" placeholder="请输入设备状态"></el-input>
        </el-form-item>

      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button size="small" @click="closeDialog">取消</el-button>
        <el-button size="small" type="primary" :loading="loading" class="title" @click="submitForm('editForm')">保存
        </el-button>
      </div>
    </el-dialog>

  </div>
</template>
<script >
import {deviceflDelete, deviceflEdit, deviceflSave,deviceflStatus, deviceflList,deviceflBatchDel} from "../../api/devicefl";
import Pagination from "../../components/Pagination.vue";
import axios from "axios";

 export default {
   name:"devicefl",
   components: {Pagination},
   data(){
     return{
       importvis:false,
       listData: [], //设备数据
       loading: false, //是显示加载
       editFormVisible: false, //控制编辑页面显示与隐藏
       // 分页参数
       pageparm: {
         currentPage: 1,
         pageSize: 10,
         total: 10
       },
       title: '添加',
       editForm: {
         classify:'',
         nature:'',
         name:'',
         state:''

       },
       rules: {
         name: [
           {required: true, message: '请输入id', trigger: 'blur'},
           {min: 2, max: 5, message: '长度在 2 到 5 个字符', trigger: 'blur'}
         ],
         classify : [
           {required: true, message: '请输入设备类型', trigger: 'blur'},
           {min: 2, max: 5, message: '长度在 2 到 5 个字符', trigger: 'blur'}
         ],
       },
       formInline: {
         pageNum: 1,
         pageSize: 10,
         name: '',
         classify: ''
       },
     }
   },


   created() {
     this.getdata(this.formInline)
   },
   methods:{
     //导出文件
     exportExcel:function (){
       axios.request({
         url: 'http://localhost:8888/api/devicefl/exportDeviceflFile',
         method: 'get',
         responseType: 'blob',  // 请求文件
       }).then(ret => {
         this.download(ret, "设备分类信息")  // 请求导出的响应，需要保存为 学生信息的文件
       })
     },
     //文件上传的判断
     upload(res){
       if(res=='import_success'){
         //成功
         this.importvis=false;
         this.getdata(this.formInline);//整个界面刷新
       }else {
         this.$message({
           type: 'warning',
           message: '嗨，导入失败！！！！'
         })
       }
     },
     // 下载excel的工具方法
     download(res, name) {
       if (!res) {
         return;
       }
       console.log("res", res)
       let url = window.URL.createObjectURL(new Blob([res.data],
         {type: "application/vnd.ms-excel"}));
       let link = document.createElement('a');
       link.style.display = 'none';
       link.href = url;
       link.setAttribute('download', name);
       document.body.appendChild(link);
       link.click();
     },
     editStatus(currentLineData) {
       // console.log(currentLineData)
       var status = -1;
       if (currentLineData.status == 0) {
         status = 1;
       } else {
         status = 0
       }
       deviceflStatus({
        id: currentLineData.id,
         status: status
       }).then(res => {
         if (res.code == 20000) {
           this.$message.success({
             message: '用户状态修改成功',
             duration: 500
           })
           this.getdata(this.formInline)
         }
       })
     },
     callFather(pageparam) {
       this.formInline.pageNum = pageparam.pageNum;
       this.formInline.pageSize = pageparam.pageSize;
       this.getdata(this.formInline)
     },
     search() {
       // console.log(this.formInline)
       this.getdata(this.formInline)
     },
     getdata(formInline) {
       console.log(formInline)
       /***
        * 调用接口，注释上面模拟数据 取消下面注释
        */
       deviceflList(formInline)
         .then(res => {  // 后端响应
           this.loading = false
           if (res.code != 20000) {
             this.$message({
               type: 'info',
               message: res.msg
             })
           } else {
             const pageInfo = res.data;  //先得到pageInfo   (pageHelper 中的分页信息)
             this.listData = pageInfo.list;
             // 分页赋值
             this.pageparm.currentPage = this.formInline.pageNum
             this.pageparm.pageSize = this.formInline.pageSize
             this.pageparm.total = pageInfo.total
             console.log(this.pageparm)
           }
         })
         .catch(err => {
           this.loading = false
           this.$message.error('用户信息加载失败，请稍后再试！')
         })
     },
     closeDialog() {
       this.editFormVisible = false;
       this.getdata(this.formInline)
     },
     submitForm(editForm) {
       // 点击提交按钮会校验输入框
       this.$refs[editForm].validate((valid) => {
         // 如果校验通过再发请求
         if (valid) {
           if (this.title == "添加") {
             // 实现添加
             deviceflSave(this.editForm).then(res => {
               if (res.code = 20000) {
                 this.editFormVisible = false;
                 this.$message.success({
                   message: '用户添加成功',
                   duration: 500
                 })
                 this.getdata(this.formInline)
               } else {
                 this.$message.error({
                   message: '用户添加失败',
                   duration: 500
                 })
               }
             })
           } else if (this.title = "修改") {
             console.log(this.editForm)
             deviceflEdit(this.editForm).then(res => {
               if (res.code = 20000) {
                 this.editFormVisible = false;
                 this.$message.success({
                   message: '用户更新成功',
                   duration: 500
                 })
                 this.getdata(this.formInline)
               } else {
                 this.$message.error({
                   message: '用户更新失败',
                   duration: 500
                 })
               }
             })
           }

         } else {
           console.log('error submit!!');
           return false;
         }
       });
     },

     handleEdit(index, rowData) {
       // console.log(index,rowData)
       this.title = "编辑"
       this.editForm = rowData;
       this.editFormVisible = true;
     },
     deletedevicefl(id) {
       this.$confirm('此操作将永久删除, 是否继续?', '提示', {
         confirmButtonText: '确定',
         cancelButtonText: '取消',
         type: 'warning'
       }).then(() => {
        deviceflDelete(id).then(res => {
           if (res.code == 20000) {
             this.$message({
               type: 'success',
               message: '删除成功!'
             });

             this.getdata(this.formInline)
           }
         })
       }).catch(() => {
         this.$message({
           type: 'info',
           message: '已取消删除'
         });
       });
     },

     handleSelectionChange(val) {
       // val是数组,其中是前端框架自己封装的,其实是勾选的每一行数据对象
       console.log(val)
       var idArr = [];
       for (var i = 0; i < val.length; i++) {
         var obj = val[i];
         //console.log(obj)
         idArr.push(obj.id);
       }
       // console.log(idArr)

       this.multipleSelection = idArr;
     },
     handleAdd() {
       this.editFormVisible = true;
       this.title = "添加";
       // 表单置空
       this.editForm = {}
     },
     handleBatchDel() {
       this.$confirm('批量删除, 是否继续?', '提示', {
         confirmButtonText: '确定',
         cancelButtonText: '取消',
         type: 'warning'
       }).then(() => {
         deviceflBatchDel({
           list:this.multipleSelection
         }).then(res => {
           if (res.code == 20000) {
             this.$message({
               type: 'success',
               message: '删除成功!'
             });
             this.formInline.pageNum = 1;
             this.getdata(this.formInline);// 重新请求数据
           }
         })
       }).catch(() => {
         this.$message({
           type: 'info',
           message: '已取消删除'
         });
       });
     }
   }
 }
</script>

<style scoped>

</style>
